ASUS GeForce GTX 650 Ti Boost DirectCU II OC Review + SLI

Published by Christian Ney on 25.04.13
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Technical Data / Specifications


With the ASUS GeForce GTX 650 Ti Boost DirectCU II OC you get a factory overclocked card with a custom PCB cooled by a DirectCU II cooler. The ASIC quality measured on our sample was 71.7 % which is about average.
About ASIC quality:



Looking at the clock speeds we see that the GPU runs at 1'020 MHz with a typical boost of 1'085 MHz, 52 MHz higher than the reference model. There are only three cards that feature higher clocks you can find in Europe. If you'd like to find them, check out our market overview: the SuperClocked from EVGA, the iChill HerculeZ 2000 from Inno3D and the OC from Gigabyte. Like most other manufacturers no factory overclocking has been made on the GDDR5 memory, therefore the clocks remain at 1'500 MHz (6'000 MHz effective) following nVidia's recommendations.



nVidia GeForce GTX 660 ASUS GTX 650 Ti Boost DC2OC GTX 650 Ti Boost GTX 650 Ti
Chip GK106 GK106 GK106 GK106
Process 28 nm 28 nm 28 nm 28 nm
Transistors 2.54 Billion 2.54 billion 2.54 billion 2.54 Billion
GPU clock 980 MHz 1'020 MHz 980 MHz 925 MHz
GPU Boost clock 1'033 MHz 1'085 MHz 1'033 MHz N/A
Memory 2'048 MB GDDR5 2'048 MB GDDR5 2'048 MB GDDR5 2'048/1'024 MB GDDR5
Memory clock 1'500 MHz (6'000 MHz) 1'500 MHz (6'000 MHz) 1'500 MHz (6'000 MHz) 1'350 MHz (5'400 MHz)
Memory interface 192 Bit 192 Bit 192 Bit 128 Bit
Memory bandwidth 144'200 MB/s 144'200 MB/s 144'200 MB/s 86'400 MB/s
TMUs 80 64 64 64
Shader Cores 960 (5 SMX) 768 (4 SMX) 768 (4 SMX) 768 (4 SMX)
ROPs 24 ROP 16 ROP 16 ROP 16 ROP
Maximum board power 140 Watt XXX Watt 140 Watt 110 Watt
PCB Type Reference Design Custom Design Reference Design Reference Design
Size (PCB - Total) 17.2 - 24.0 cm 19.0 - 21.2 cm   PCIe16x
Cooler Reference Design DirectCU II Reference Design Reference Design
MSRP $229 $XXX $169 $149


As mentioned previously, this card from ASUS makes use of the custom PCB. ASUS engineers reworked the circuitry and the power design but didn't go too far. In this case you don't find a digital power design nor more phases. The only major changes apart from the PCB design itself are the use of super alloy components and different but still cost effective voltage controller. Therefore you get an analogue power design with five phases, where the GPU gets four phases and the memory gets one phase.
The voltage regulation chip used for the GPU is a RT8867A from Richtek Technology. On the memory power design side you find an APW7165A from ANPEC Electronics.



ASUS ships the GeForce GTX 650 Ti Boost with a smaller and cheaper version of the dual slot DirectCU II cooler. This one comes with two heatpipes, that feature 6 millimeter diameter. Both heatpipes establish direct contact via the direct touch technology. Furthermore there are two 75 millimeter fans and no aluminium fins. The latter explain itself when you look at the heatsink, which has been made from aluminium entirely. Very cheap but in our test it proved to be very good - so why not.
Although this cooler is a smaller version, it is longer than the card's PCB by 2.4cm lenghtwise, which ends up with a total card lenght of 21.50 centimeter. Also because of the two heatpipes the cooler is 0.8 centimeter higher.



The memory chips used are made by Hynix and carry the model number H5GQ2H24AFR-R0C. They are specified to run at 1'500 MHz (6'000 MHz effective).




Page 1 - Introduction Page 13 - DIRT Showdown
Page 2 - Technical Data / Specifications Page 14 - Far Cry 3
Page 3 - Preview Page 15 - Max Payne 3
Page 4 - Test Setup Page 16 - Sleeping Dogs
Page 5 - 3DMark 11 Page 17 - The Elder Scrolls V: Skyrim
Page 6 - 3DMark Fire Strike Page 18 - The Witcher 2
Page 7 - Unigine Heaven 4.0 Page 19 - Power Consumption
Page 8 - BattleField 3 Page 20 - Fan Speed / Noise Level
Page 9 - Borderlands 2 Page 21 - Temps - Idle / FurMark / BF3
Page 10 - Bioshock Infinite Page 22 - Performance/Price & Performance/Watt
Page 11 - Crysis 3 Page 23 - Conclusion
Page 12 - Call of Duty Black Ops 2



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